Discontinued Operations (Tables) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
(Loss)/income from discontinued operations, net of tax	$ (1,432)	$ (4,856)	$ (10,752)	$ 387	$ (3,512)	$ 5,332	$ 8,198	$ 4,405	$ (16,653)	$ 14,423	$ 12,387
Statement of Financial Position [Abstract]
Property and equipment, net					1,700					1,700
Components Total [Member]
Income Statement [Abstract]
Operating revenue									94,039	193,117	361,500
(Loss)/income from discontinued operations before income taxes									(24,268)	24,801	26,095
(Benefit)/provision for income taxes									(7,615)	10,378	13,708
(Loss)/income from discontinued operations, net of tax									(16,653)	14,423	12,387
Statement of Financial Position [Abstract]
Disposal Group, Including Discontinued Operation, Other Current Assets	4,267				3,194				4,267	3,194
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net					14,073					14,073
Property and equipment, net					1,698					1,698
Goodwill and other identifiable intangible assets, net					19,961					19,961
Total assets	4,267				38,926				4,267	38,926
Disposal Group, Including Discontinued Operation, Accounts Payable					11,085					11,085
Disposal Group, Including Discontinued Operation, Other Liabilities					9,531					9,531
Total liabilities	13,704				20,616				13,704	20,616
Data and Analytics [Member] | Discontinued Operations Marketing [Member]
Income Statement [Abstract]
Operating revenue									0	0	0
(Loss)/income from discontinued operations before income taxes									(717)	(2,129)	(122)
(Benefit)/provision for income taxes									(350)	(814)	4,891
(Loss)/income from discontinued operations, net of tax									(367)	(1,315)	(5,013)
Statement of Financial Position [Abstract]
Disposal Group, Including Discontinued Operation, Other Current Assets	177				177				177	177
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net					0					0
Property and equipment, net					0					0
Goodwill and other identifiable intangible assets, net					0					0
Total assets	177				177				177	177
Disposal Group, Including Discontinued Operation, Accounts Payable					676					676
Disposal Group, Including Discontinued Operation, Other Liabilities					259					259
Total liabilities	194				935				194	935
Data and Analytics [Member] | Discsontinued Operations Consumer [Member]
Income Statement [Abstract]
Operating revenue									0	0	55,773
(Loss)/income from discontinued operations before income taxes									0	196	5,026
(Benefit)/provision for income taxes									0	75	15
(Loss)/income from discontinued operations, net of tax									0	121	5,011
Statement of Financial Position [Abstract]
Disposal Group, Including Discontinued Operation, Other Current Assets	149				149				149	149
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net					0					0
Property and equipment, net					0					0
Goodwill and other identifiable intangible assets, net					0					0
Total assets	149				149				149	149
Disposal Group, Including Discontinued Operation, Accounts Payable					0					0
Disposal Group, Including Discontinued Operation, Other Liabilities					88					88
Total liabilities	88				88				88	88
Asset Management and Processing Solutions [Member]
Statement of Financial Position [Abstract]
Disposal Group, Including Discontinued Operation, Accounts Payable					7,282					7,282
Disposal Group, Including Discontinued Operation, Other Liabilities					8,616					8,616
Asset Management and Processing Solutions [Member] | Asset Management and Processing Solutions [Member]
Income Statement [Abstract]
Operating revenue									94,039	193,117	280,589
(Loss)/income from discontinued operations before income taxes									7,188	32,928	42,566
(Benefit)/provision for income taxes									4,520	13,486	13,988
(Loss)/income from discontinued operations, net of tax									2,668	19,442	28,578
Statement of Financial Position [Abstract]
Disposal Group, Including Discontinued Operation, Other Current Assets	133				2,668				133	2,668
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net					14,073					14,073
Property and equipment, net					1,698					1,698
Goodwill and other identifiable intangible assets, net					19,961					19,961
Total assets	133				38,400				133	38,400
Total liabilities	2,481				15,898				2,481	15,898
Technology and Processing Solutions [Member] | Discontinued Operations Appraisal [Member]
Income Statement [Abstract]
Operating revenue									0	0	25,138
(Loss)/income from discontinued operations before income taxes									(30,739)	(6,194)	(21,375)
(Benefit)/provision for income taxes									(11,785)	(2,369)	(5,186)
(Loss)/income from discontinued operations, net of tax									(18,954)	(3,825)	(16,189)
Statement of Financial Position [Abstract]
Disposal Group, Including Discontinued Operation, Other Current Assets	3,808				200				3,808	200
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net					0					0
Property and equipment, net					0					0
Goodwill and other identifiable intangible assets, net					0					0
Total assets	3,808				200				3,808	200
Disposal Group, Including Discontinued Operation, Accounts Payable					3,127					3,127
Disposal Group, Including Discontinued Operation, Other Liabilities					568					568
Total liabilities	$ 10,941				$ 3,695				$ 10,941	$ 3,695